Erosion. Why are deserts located along the tropics? The sea has broken through this barrier and easily eroded the clays behind it. For example, this could be a joint in chalk. GCSE and A Level Geography Revision. (bands) of hard rock and soft rock; many bays and headlands. They are most common where .. is short. 4: Formation of Lulworth Cove (https://commons.wikimedia.org/wiki/File:Lulworth.png) by Red (https://en.wikipedia.org/wiki/User:Red) licensed by CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0/deed.en). Straight coastline now formed by a concordant band of constant chalk. It is one of the best examples in Europe of the stages of erosion on a concordant coastline. lulworth cove concordant coastline | Future Property Exhibiitons Stacks, headlands, bays, cliffs and wave-cut platforms are all included. The outer hard rock is Portland limestone. Waves are created as wind blows over the water causing friction; this causes the water to start to move in a circular orbit. Concordant coastlines - A coastline parallel to the land structures which form the margin of an ocean basin. This produces lines of narrow islands parallel to the coast formed by projecting sections of anticlines. Economic opportunities and challenges in Lagos. Discordant coastlines occur when bands of different types of rocks run perpendicular (at 90 degrees) to the coast. This results in the formation of headlands and bays. Coastal. Headlands and bays Cliffs along the coastline do not erode at the same pace. Paisajes. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. A combination of geological structure and sea level riseproduces the morphology of landforms aligned parallel to the coastline. On discordant coastlines, differential erosion may occur, where bands of hard and soft rock outcrop at right angles to the sea. The sea attacks a weakness in the base of the cliff. Concordant coastlines form coves, which are round areas of water that have narrow entries from the sea. Paw Patrol Does Ryder Have A Crush On Katie, rhodes funeral home karnes city, texas obituaries, luxury homes for sale in oakville ontario. formed by the erosion of less resistant Wealden Clays. The arch has formed on a concordant coastline where bands of rock run parallel to the shoreline. The concordant coastline runs from west to east along the south coast. This results in the formation of headlands and bays. GCSE Geography Revision : Unit 1: The Coastal Zone - Blogger Specifically looking at the differences between concordant and discordant coastlines. In some cases it is estimated that there was a rise . You don't have permission to comment on this page. A case study of a sparsely populated area Himalayan Mountains, A case study of a densely populated area Greater London. of the users don't pass the Coastlines quiz! Type # 1. Erosion worsens as the waves becomes stronger. The Bay is also a product of sea level rise, since river erosion cut a low-relief river valley into Carboniferous Limestone, allowing the sea to flood inland and creating a ria at the start of the Holocene. A concordant coastline is an arrangement of rock strata along the coastline. coastlines. Coastlines are constantly changing, with sea levels rising or falling, and it is no different with submergent coastlines. Many of the major cities built directly along coastlines, such as New York City and Tokyo, will be forced to develop solutions that counter rising sea levels or else abandon waterfront infrastructures and construct further inland. Headlands and Bays 2. Geological structure is the characteristics and arrangement of rock units. Erosional landforms - Coastal landforms - AQA - GCSE Geography Revision - AQA - BBC Bitesize. Gcse Geography Revision. Type # 1. 1. Why Is Biodiversity Critical To Life On Earth? Explain the process of longshore drift (3) Coasts - Grade Booster. Case studies Dorset Jurassic coast and Holderness. in height. The shifting coastlines can impact freshwater resources near the coasts by creating brackish mixtures, and can also pose an obvious danger to infrastructure built directly along the coast. 5 July 2020 / in AQA GCSE Geography , Coasts , Landforms of Coastal Erosion / by Anthony Bennett A discordant coastline is where the geology alternates between strata (bands) of soft and hard rock. How is urban planning improving the quality of life for the urban poor in Rio de Janeiro? What are they? Waves are produced by friction between the wind and water, resulting in an energy transfer from the wind to the sea. Where the rock outcrops run parallel to the sea. Its 100% free. Discordant and Concordant Coastlines GCSE Geography A Level Revision Coasts - YouTube 2:20 Discordant and Concordant Coastlines GCSE Geography A Level Revision Coasts TheGeographyGuy 1.66K. Importance of the Delta for the region. B Gradually the . How have animals adapted to cold environments? The net result is that the sediment gets smaller and smaller over time. Wave cut platforms as illustrated in the diagram and shown in the photograph are remnants of the previous cliff line. concordant and discordant coastlines bbc bitesize - hillsboro, ohio newspaper classifieds - hillsboro, ohio newspaper classifieds - Lulworth Cove is located on the so-called Jurassic Coast, spanning 185 million years of geological history, from the Triassic (252 - 201 million years ago), Jurassic (199.6 - 145.5 million years ago), and Cretaceous (145 - 66 million years ago) periods. Deformation is the degree of tilting of folding ofrock. After the waves broke through, creating an opening, the softer clay after the limestone started to erode away as well, creating a cove (figure 4). The water, with an endless supply of waves, whether pounding or gentle ripples, is constantly changing coastlines around the globe. Lulworth Cove has occurred on a concordant coastline. . high and low energy coasts, geology and sea level and how these change a coastline | GEOLOGICAL structure : which create concordant and discordant coastlines ( Dalmatian and Haff ). Meltwater rivers on land beyond the ice front deposited thick layers of sand and gravels onto outwash plains (sandurs). Case studies Dorset Jurassic coast and Holderness Extended writing tasks 2 a half term. A fjord coast hosts multiple fjords. Taking the low-water line along the coast (or, the baseline), UNCLAS put forth the following: Special exceptions apply to areas like straits, where ships can't help but pass through territorial waters. Discordant coastline occurs where bands of differing rock type run perpendicular to the coast. Lulworth cove where an oval shaped bay has been formed by more rapid erosion of the less resistant clay that lie behind the . This process. Aqa. Headlands and bays - Coastal landforms - CCEA - BBC Bitesize Fun Fact: if you are interested in dinosaurs and dinosaur fossils, Durlston Bay is a renowned site for Early Cretaceous fossils. What factors affect population density and distribution? Where do volcanoes and earthquakes happen? English: - Romeo and Juliet (York Notes) 978-1447982234 An Inspector Calls (York Notes) 978-1447982166 GCSE English Literature for AQA . The difference in rock types between discordant and concordant coastlines means that there are differences in erosion. When the following wave breaks, its swash will deposit more material without it being 'captured' by the backwash of the preceding wave. The River Tees landforms of erosion and deposition, Case Study Ganges/Brahmaputra River Basin, Geological time is on a different time to human time, Different rocks create contrasting landforms and landscapes. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. What is the location and importance of Rio de Janeiro? starter: Students examine the picture and discuss what is happening to the houses and why. There are four major types of coastlines: emergent, submergent, discordant, and concordant. The extent to which the shape of a beach or coast is created or altered depends mainly on the action of waves upon it. Case Study: Coastal Management in Dawlish Warren - Blogger Lulworth Cove is a World Heritage site and part of the Heritage Coastline. By contrast, when the rock strata are perpendicular to the coastline, the coast is referred to as discordant. Their wavelength is .and a.. frequency (8-10 waves per minute). Concordant coastlines tend to have fewer bays and headlands. Less resistant rocks are eroded more than the resistant . A concordant coastline comprises bands of different rock types that run parallel to the shore. Sandridge formed bars across some bays and river mouths, with trapped river water forming a lagoon behind (callled haffs in Poland on the Baltic Sea). Coastal Erosion Landforms - Features and Formation - Blogger Our geography videos are developed with links to various specifications including Geography GCSE, Geography IGCSE, Geography AS-level, Geography A-level, Geography IA-level, Geography National 5, Geography Higher. Best study tips and tricks for your exams. Introduction to the location of the Delta. Along the coastline of Dorset, there are concordant and discordant coastlines. concordant and discordant coastlines bbc bitesize If they move in opposite directions - one increases while the other decreases - then the pair is discordant. Emergent coastlines can pop up after tectonic activity, where the land is being pushed up by the tectonic plates. B Gradually the . A concordant coastline comprises bands of different rock types that run parallel to the shore. PBworks / Help Geology is the study of the types of rocks that make up the Earth's crust. Almera in Spain: a large-scale agricultural development, Sustainable Food Supplies in an LIC Bangladesh. Concordant and discordant coasts . Published by at February 16, 2022. The hard rock acts as a protective barrier to the softer rock behind it preventing erosion. Why is the weather of the UK so changeable? Which of the following are associated with discordant coastlines? They have a mainly circular orbit, a steep gradient. Dip is the angle of inclination of titled strata. What is the impact of humans on the Taiga? 3 Revision Guides Business Studies: - Revise Edexcel GCSE Business, Units 1, 3 & 5 Revision Guide Revise Edexcel GCSE Business, Units 1, 3 & 5 Revision workbook Computing: - Students have already been provided with a revision guide and question books. Upload unlimited documents and save them online. The hard rock shields the soft rock from erosion. Tectonic forces produced by the collision of African and Eurasian plates compressed Carboniferous Limestone during the Alpine Orogeny 50 million years ago. Concordant or conformable, when referring to plutonic bodies, indicates that the intruding magma of sills and laccoliths lies parallel to rather than cutting across country strata, as do discordant structures such as veins, dikes, bysmoliths, and batholiths. Headlands and bays can form on concordant coastlines too, as has happened . The image below shows how the refracted wave becomes increasingly parallel to the shoreline. concordant coastlines. Lerne mit deinen Freunden und bleibe auf dem richtigen Kurs mit deinen persnlichen Lernstatistiken. 4 - the process of forming Lulworth Cove, Dorset, UK. Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity.On land, they harbor important ecosystems such as . How has hot desert vegetation adapted to the climate? What is the location and importance of Mumbai? Which of the following are major types of coastlines? what is the difference between concordant and discordant coast lines (4) concordant coasts are created where rock strata run parallel to the coastline in alternating bands of more resistant and less resistant rocks. The swash of a destructive wave is much weaker than its backwash. A concordant coastline occurs where the bands of differing rock types run parallel to the coast. In contrast with emergent coastlines, submergent coastlines are coastlines submerged under water due to rising sea levels. Along the coastline of Dorset, there are concordant and discordant coastlines. One of the topics looked at in GCSE Geography is the features that are found on a coastline. The following are facts about destructive waves. As our Earth warms, glaciers melt, causing the sea level to rise. She is cooler than I am and has a life instead of enough time to make this. During the Devensian glacial the sea level was about 100 m lower than today as water was retained in huge ice sheets. True or False: As sea levels rise, coastlines are likely to expand. This. over 1m. Discordant coastline - Source www.bbc.co.uk As soft rock, such as glacial till, is more susceptible to erosion it erodes more rapidly than more resistant rock such as chalk. Emergent coastlines have emerged from the water; submergent coastlines have submerged below the water. What is the difference between a discordant and concordant coastline Discordant coastline - Source www.bbc.co.uk As soft rock, such as glacial till, is more susceptible to erosion it erodes more rapidly than more resistant rock such as chalk. While not every UN member has ratified UNCLAS, most nations abide by it anyway. 3.1B Transport Technology and Globalisation, 3.2 Political and Economic Decision Making, 7C Economic Development and Environmental Impact, 8B Controlling the Spread of Globlisation, 4A.1B Economic Activity and Social Factors, 4A.1A Changing Function and Characteristics, 4A.6 Evaluating the need for Regeneration, 6C Representation and Need for Regeneration, 10A Measuring the Success of Regeneration, 12A Restructuring and Contested Decisions, 7.5 Superpowers and International Decision Making, 7.6 Superpowers and the Physical Environment, 7.6C Middle-Class Consumption on Emerging Powers, 7.8A Emerging Powers and the Developing World, 8.2 Variations in Health and Life Expectancy, 8.3A The relationship between economic and social development, 8.5A Human Rights Vs Economic Development, 8.8 the Positive and Negative of Development, 2B.2C Geological Structure and Cliff Profiles, 2B.3B Rock Strata and Complex Cliff Profiles, 4C Coastal Landscapes Produced by Erosion, 8C Temporal Variations in Coastal Recession, 9A Local Factors that Increase Coastal Flood Risk, A - Economic and Social Losses from Recession, 2B: 12 Integrated Coastal Zone Management, 1B Importance and Size of Stores and Fluxes, 5.4 Deficits within the Hydrological Cycle, 5.8 Consequences and Risks of Water Insecurity, 8A - Causes and Pattern of Physical and Economic Scarcity, 5.9C Integrated Drainage Basin Management, 6.1C - Geological Processes Releasing Carbon, 6.2 Biological Processes Sequestering Carbon, 6.3 Human Activity Altering the Carbon Cycle, 6.6C Radical Technologies to Reduce Carbon Emissions, 6.7 Human Activity Threatening the Carbon and Water Cycles. Coastal Erosion Landforms Quiz - Internet Geography Concordant coastlines are characterised by bands of similar types of rocks running parallel to the coast. The time wind takes to blow, wind speed and the fetch (distance the sea has covered) influence wave sizes. Coastlines where the geology alternates between strata (or bands) of hard rock and soft rock are called discordant. Contact the owner / RSS feed / This workspace is public, Rivers, Floods and Management (Physical Core), Drive, Dropbox, OneDrive, Gmail, and Slack. Concordant coasts have alternating layers of hard and soft rock that run parallel to the coast. . A concordant coastline is where the same rock runs along the length of the coast. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. The first difference between concordant and discordant coastlines is that the concordant coastlines are composed of similar rock types whereas, in the case of discordant coastlines, the rocks are of different kinds. Coastlines where the geology alternates between bands of hard and soft rock which are perpendicular to the shore are called discordant coastlines. What is the impact of humans on the savanna? Okay, now we know what coastlines are. Beach Headland Blowhole Wave cut platform 9. Paw Patrol Does Ryder Have A Crush On Katie, Three complete lessons and a worksheet pack that cover the main erosional coastal landforms. What is the structure of the Temperate Deciduous Woodland? Part of the Dorset coastline in the UK running north from the Portland limestone of Durlston Head is a clear example of a discordant coastline. Discordant and concordant coasts in Dorset. The Dorset Coast contains a range of landforms including Durdle Door, Lulworth Cove . Over 10 million students from across the world are already learning smarter. The water. Destructive waves are usually very high, over 1m. Coastal Erosion. For example the Neman Haff behind the bar running from the Kaliningrad in Russia to the Lithuanian coast at the mouth of the river Neman. The Adriatic Sea itself is a concordant landform, consisting of a body of water between parallel ranges. Adapted from BBC. Bull's Head in St Oswald's Bay. 0. lulworth cove concordant coastline. Sea forces change coastal landscapes with the wind being the major source of waves. ALEVEL GEOGRAPHY - COASTAL LANDSCAPES | EQ1 : the littoral zone ; offshore, nearshore and backshore. Key Question: What are the different landforms of the Jurassic Coast? 2B.2A Concordant and Discordant - A-LEVEL GEOGRAPHY REVISION: EDEXCEL The three major coastal processes include erosion, transportation and deposition. (BBC, 2006). Because of this difference in erosion resistance, discordant coastlines are home to headlands, due to eroding hard rock, and bays, due to eroding soft rock. . Soft rocks like mudstone and siltstone The shape of the cove is the result of wave diffraction. But do they serve as anything more than a place to go for a hike or a tan? What are the air masses that affect the UK? Specifically looking at the differences between concordant and discordant coastlines. Add in the missing words. Add in the missing words. Gradually the material is moved along the coastline, its . This is because access to the coast offers the opportunity for harvesting marine resources, especially fish, as well as the ability to conduct international trade via the sea. . Castleton A tourist honey pot in The Peak District, Case Study Inner City Redevelopment Londons Docklands. - Due to the presence of soft and hard rock, differential erosion occurs, with the soft, less resistant rock (e.g. These coves are formed by waves breaking through an outer layer of hard rock, such as limestone, and then, over time, the waves sweep away the soft rock further inland, like sand and clay, creating a cove. Whenever you search in PBworks, Dokkio Sidebar (from the makers of PBworks) will run the same search in your Drive, Dropbox, OneDrive, Gmail, and Slack. Concordant coastline 2. BBC Bitesize. The Dalmatian type, named from Dalmatia on the Adriatic Sea, features long offshore islands and coastal inlets that are parallel to the coastline. Wave refraction involves waves breaking onto an irregularly shaped coastline, e.g. We use cookies to ensure that we give you the best experience on our website. (adsbygoogle = window.adsbygoogle || []).push({}); If you've found the resources on this page useful please consider making a secure donation via PayPal to support the development of the site. The Holderness coastline - Coolgeography.co.uk Concordant coastlines are also called 'concordant longitudinal' or 'Pacific type' coastlines. Historic records indicate that over 250 m of land were lost between 1600 and 1850. The water. How do changes affect the balance of an ecosystem? The Earth has around 620,000 kilometres (390,000 mi) of coastline. More recently the village was affected by the tragic floods of 1953 that claimed the lives of 76 Norfolk . The Isle of Purbeck, in Dorset, is an example of where a concordant and discordant coastline exist very close to one another. When a wave breaks upon the shore, rocks and pebbles that are being carried collide with each other breaking them and eventually making them smaller and smoother. Cliffs and Wave-cut platforms Before you revise the formation of these landforms, have a look at this video and make sure you are able to identify the landforms from their distinctive features. Extended writing tasks 2 a half term. What is the impact of humans on the temperate deciduous woodland? UK Sediment Cells Source: Scool. Human and physical factors causing river flooding. Awesome, well done! The process begins with seawater hitting on the coastline. Development, population change and the demographic transition model, Strategies for reducing the development gap, How can the growth of tourism reduce the development gap? The shape of the coastline (which is dependent on its geology) - on concordant coastlines, rocks are parallel to the wave front and therefore rates of erosion are similar along the coastline. docx, 24.88 KB. A case study of the coastal recession at the Nile Delta for Edexcel A Level Geography. Coasts Revision Booklet. This quiz focusses in particular on those features which are caused by coastal erosion. Pebble sized particles are bounced along the river bed/sea by the force of the water. The angle these bands make with the coastline makes it either a concordant or discordant coastline. Long spits of sands run parallel to the low coast, enclosing the coast. Bonding between rocks either side of the plane is weaker than bonding within strata. It is also known as Pacific type coastline, longitudinal coastline, or Dalmatian coastline. More erosion at the present (2016-2017) is occurring further east, down drift, in the Barton Golf Course and Hordle Cliff area, as a result of the Barton Sea Defences (the so-called "Terminal . Where the land rises to the sea there are several parallel strata of Jurassic rocks, including Portland limestone and the . How is urban planning improving the quality of life for the urban poor in Mumbai? Both concordant and discordant. Discordant coasts forms where geological structure is such that different rock strata of folds are aligned at an angle to the coastline. The meanings of the terms lithology, concordant and discordant coastlines are apparent throughout the lesson. Practice Questions: Describe the differences between a concordant and a discordant coastline (4 marks) Explain how headlands form (3 marks) Explain how coves are formed (3 marks). The results are deep, lengthy, thin inlets surrounded by high cliff faces. They are most common where fetchis short. Sea level rise at the end of the Devensian Glacial overtopped the low points of the anticlines and the sea flooded synclines. Unique access to harvest all resources within the EEZ, including fishing and fracking. Figure 3: Location of Lulworth Cove, Dorset, UK, map data: 2022 Google. Each process can produce several coastal features; however, they often work together to sculpt the coastlines. This cove is located near the village of West Lulworth and is one of the best examples of a concordant coastline. lulworth cove concordant coastline. Definitions. concordant and discordant coastlines bbc bitesize Free and expert-verified textbook solutions. The form of the coastline around Durdle Door is controlled by its geologyboth by the contrasting hardnesses of the rocks, and by the local patterns of faults and folds. Create your own unique website with customizable templates. How does food insecurity affect the environment? Some concordant coasts have long, narrow islands running parallel to the coastline. Barton-on-Sea, in particular, is a well-known place to study coast erosion and sea-defence work, some successful, some partly successful, and some failed.